Home / 76,150,746.76-105,186,607.05-62,973,151.60

Finding the Fourth Proportional to 76,150,746.76, 105,186,607.05 and 62,973,151.60

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Solution

The fourth proportional to 76,150,746.76, 105,186,607.05 and 62,973,151.60 is: 86,984,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150,746.76 : 105,186,607.05 = 62,973,151.60 : x
  2. Step 2: Convert to fraction form
    76,150,746.76/105,186,607.05 = 62,973,151.60/x
  3. Step 3: Cross multiply
    76,150,746.76x = 105,186,607.05 × 62,973,151.60
  4. Step 4: Simplify right side
    76,150,746.76x = 6,623,932,152,049,279
  5. Step 5: Solve for x
    x = 6,623,932,152,049,279/76,150,746.76
  6. Step 6: Final answer
    x = 86,984,467.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.